21946428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1193}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 64323168

約数和(自身を除く): 42376740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1193, 1314, 1533, 2044, 2386, 2628, 3066, 3579, 4599, 4772, 6132, 7158, 8351, 9198, 10737, 14316, 16702, 18396, 21474, 25053, 33404, 42948, 50106, 75159, 87089, 100212, 150318, 174178, 261267, 300636, 348356, 522534, 609623, 783801, 1045068, 1219246, 1567602, 1828869, 2438492, 3135204, 3657738, 5486607, 7315476, 10973214, 21946428]

約数ペア:

[(1, 21946428), (2, 10973214), (3, 7315476), (4, 5486607), (6, 3657738), (7, 3135204), (9, 2438492), (12, 1828869), (14, 1567602), (18, 1219246), (21, 1045068), (28, 783801), (36, 609623), (42, 522534), (63, 348356), (73, 300636), (84, 261267), (126, 174178), (146, 150318), (219, 100212), (252, 87089), (292, 75159), (438, 50106), (511, 42948), (657, 33404), (876, 25053), (1022, 21474), (1193, 18396), (1314, 16702), (1533, 14316), (2044, 10737), (2386, 9198), (2628, 8351), (3066, 7158), (3579, 6132), (4599, 4772)]